Listed under the hood on a placard.
The 1994 Chevrolet 7.4 liter engine spark plug gap is .034. Most spark plugs will come pre-gapped from the spark plug manufacturer.
.035
A 2004 Chevrolet Trailblazer that has a 4.2 liter engine will have a spark plug gap of .044 inches. The best spark plugs for this vehicle are iridium spark plugs.
It is on the driver's side head by the back spark plug.
The spark plug gap, for your 2000 Subaru 2.5 liter engine, is .007. Most spark plugs will be pre-gapped by the spark plug manufacturer.
A 2009 Chevrolet Silverado with the 5.3 engine requires a .040" spark plug gap.
spark plug gap is 1.04 mm or .40 inch
( .050 inch ) - spark plug gap for 1986 Ford Mustang - 5.0 liter engine
Spark plug gap is 0.060
You will need to remove the spark plug wires on your Chevrolet 3.1 liter engine. Remove the spark plugs with a 5/8 deep well socket. Turn the socket to the left. The spark plugs will come out. Reverse the process to install the new spark plugs.
The spark plug gap in your 1999 Chevrolet suburban is dependent upon the type of engine. The standard engine spark plug gap is .011.
The spark plug gap for a 1993 Chevrolet G30 Van with a 5.7 liter V8 engine should be set at .060 inches. A new spark plug can be purchased from an auto parts retailer.